Dell EMC PowerEdge XR11 Installation And Service Manual page 110

Figure 111. Installing the 901E and MIL 461G drive rugged bracket
3. Rotate the bracket closed against the chassis and slide the latch to left and then right until seated firmly.
4. Install the front bezel
5. Using a Phillips 2 screwdriver, tighten one screw to the system cover.
Next steps
Follow the procedure listed in
110 Installieren und Entfernen von Systemkomponenten
for Rear Accessed configuration.
Nach der Arbeit im Inneren des Systems.